Tag: convective

Official

SPC Apr 1, 2025 0600 UTC Day 1 Convective Outlook

SPC 1200Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1238 AM CDT Tue Apr 01 2025 Valid 011200Z - 021200Z ...THERE IS AN ENHANCED RISK OF SEVERE THUNDERSTORMS LATE THIS EVENING ACROSS PARTS OF NORTH CENTRAL OKLAHOMA INTO SOUTH CENTRAL KANSAS... ...SUMMARY... Rapid, intense thunderstorm development is possible this evening across parts of the central and southern Great Plains. A few supercells posing a risk for large hail and a couple of strong tornadoes are possible, particularly across parts of north central Oklahoma into south central Kansas. ...Discussion... Amplification of mid/upper flow across the
Official

SPC Mar 31, 2025 0600 UTC Day 2 Convective Outlook

SPC 0600Z Day 2 Outlook Day 2 Convective Outlook CORR 1 NWS Storm Prediction Center Norman OK 0115 AM CDT Mon Mar 31 2025 Valid 011200Z - 021200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS PORTIONS OF THE CENTRAL AND SOUTHERN PLAINS INTO THE MIDWEST... CORRECTED FOR TYPO ...SUMMARY... Severe thunderstorms are possible late Tuesday afternoon across the central and southern Plains, with the severe threat expected to spread eastward Tuesday night. Large to very large hail, severe gusts, and a few tornadoes are all possible. ...Central and Southern Plains into the Midwest... A somewhat complicated convective evolution
Official

SPC Mar 30, 2025 0600 UTC Day 2 Convective Outlook

SPC 0600Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 0107 AM CDT Sun Mar 30 2025 Valid 311200Z - 011200Z ...THERE IS AN ENHANCED RISK OF SEVERE THUNDERSTORMS FROM VIRGINIA SOUTHWESTWARD TO PARTS OF ALABAMA...GEORGIA AND THE FLORIDA PANHANDLE... ...SUMMARY... Strong/severe thunderstorms -- with threat for fairly widespread damaging winds and tornadoes -- are forecast Monday from portions of the Northeast southwestward to the central Gulf Coast region. ...Parts of eastern/southern New York southward to the central and eastern Gulf Coast area... An upper trough will continue advancing steadily eastward across the eastern half
Official

SPC Mar 30, 2025 0600 UTC Day 1 Convective Outlook

SPC 1200Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1237 AM CDT Sun Mar 30 2025 Valid 301200Z - 311200Z ...THERE IS AN ENHANCED RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON THROUGH TONIGHT ACROSS MUCH OF SERN IL...IN...WRN AND CENTRAL OH...SERN MO...CNTRL AND ERN AR...KY...TN...NWRN AL...NRN AND CNTRL MS...NRN LA...NERN TX... ...SUMMARY... Thunderstorm development is likely to become widespread across the Ohio Valley southwestward through the Tennessee and lower Mississippi Valleys this afternoon into tonight. Initially, this activity will pose a risk for large large hail. A few tornadoes are also possible, before damaging wind
Official

SPC Mar 29, 2025 1730 UTC Day 2 Convective Outlook

SPC 1730Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1228 PM CDT Sat Mar 29 2025 Valid 301200Z - 311200Z ...THERE IS AN ENHANCED RISK OF SEVERE THUNDERSTORMS ACROSS A BROAD AREA CENTERED OVER THE OHIO/MID MISSISSIPPI/TENNESSEE VALLEYS... ...SUMMARY... A widespread/substantial severe-weather episode is forecast across an area centered on the Ohio/Mid and Lower Mississippi/Lower Missouri/Tennessee River Valleys. Very large hail, damaging winds, and strong tornadoes are expected. ...Synopsis... Mid-morning water vapor imagery depicts an upper-level shortwave trough across the Southwest that is the leading impulse within a longwave trough building across the eastern
Official

SPC Mar 29, 2025 1630 UTC Day 1 Convective Outlook

SPC 1630Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1134 AM CDT Sat Mar 29 2025 Valid 291630Z - 301200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS PARTS OF THE CENTRAL AND SOUTHERN GREAT PLAINS INTO THE MIDDLE MISSISSIPPI VALLEY... ...SUMMARY... Scattered severe thunderstorms are possible across parts of the central/southern Plains into the mid Mississippi Valley, mainly this evening through the overnight hours. This may include an organized thunderstorm cluster across parts of Oklahoma into southeastern Kansas and western Missouri capable of producing very large hail, damaging winds, and perhaps a
Official

SPC Mar 29, 2025 0600 UTC Day 2 Convective Outlook

SPC 0600Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 0115 AM CDT Sat Mar 29 2025 Valid 301200Z - 311200Z ...THERE IS AN ENHANCED RISK OF SEVERE THUNDERSTORMS ACROSS A BROAD AREA CENTERED OVER THE OHIO/MID MISSISSIPPI/TENNESSEE VALLEYS... ...SUMMARY... A widespread/substantial severe-weather episode is forecast across an area centered on the Ohio/Mid and Lower Mississippi/Lower Missouri/Tennessee River Valleys. Very large hail, damaging winds, and strong tornadoes are expected. ...Midwest/Ohio Valley south to East Texas and the central Gulf Coast states... A mid-level short-wave trough is forecast to shift northeastward out of the central Plains
Official

SPC Mar 29, 2025 0600 UTC Day 1 Convective Outlook

SPC 1200Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 1246 AM CDT Sat Mar 29 2025 Valid 291200Z - 301200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS EVENING INTO THE OVERNIGHT HOURS ACROSS NORTHERN OKLAHOMA AND SOUTHEASTERN KANSAS INTO WESTERN MISSOURI... ...SUMMARY... Widely scattered severe thunderstorms are possible across parts of the central and southern Great Plains into middle Mississippi Valley today through tonight. This may include an organizing cluster of storms across parts of northern Oklahoma and southeastern Kansas through western Missouri this evening into the overnight hours. ...Discussion... Downstream of
Official

SPC Mar 28, 2025 2000 UTC Day 1 Convective Outlook

SPC 2000Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0226 PM CDT Fri Mar 28 2025 Valid 282000Z - 291200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FOR PORTIONS OF SOUTHEASTERN TEXAS INTO WESTERN/CENTRAL LOUISIANA... ...SUMMARY... A severe storms threat will continue across coastal Texas into Louisiana this afternoon, with primary risks including a tornado or two and damaging wind. Isolated severe hail and wind is also possible this evening/tonight from Nebraska into portions of the Upper Midwest. ...20z Update... A Slight Risk was added across portions of far southeastern Texas into western/central
Official

SPC Mar 28, 2025 1730 UTC Day 2 Convective Outlook

SPC 1730Z Day 2 Outlook Day 2 Convective Outlook NWS Storm Prediction Center Norman OK 1227 PM CDT Fri Mar 28 2025 Valid 291200Z - 301200Z ...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS FOR PARTS OF NORTHERN OKLAHOMA...EASTERN KANSAS...WESTERN/CENTRAL MISSOURI... ...SUMMARY... Scattered severe thunderstorms are possible from northern Oklahoma into the Lower Missouri Valley on Saturday evening/night. Large to very large hail should be the primary hazard, but a couple of severe gusts and possibly a tornado or two may occur. ...Synopsis... The upper-level pattern across the Rockies and Plains will be somewhat disorganized. However, two low-amplitude shortwave troughs